Cheap Flights from St. Louis (STL) to Karlovy Vary (KLV)

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Karlovy Vary (KLV-Karlovy Vary Intl.)

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV) cost?
Get a cheap one-way flight or cheap return flight from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV)?
The cheapest month to fly from STL to KLV is , when there's less demand. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STL to KLV flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV)?
You'll need to book a flight with a layover when traveling from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STL to KLV?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change depending on various factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV)?
To reach Karlovy Vary Intl. Airport (KLV) on time, opt for a flight that leaves from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV) last-minute?
Booking your plane ticket from STL to KLV shortly before your journey is generally more expensive. However, if there's some wiggle room with your departure times and dates, you could land a cheap last-minute fare.
Is it cheaper to book a STL to KLV flight and hotel package?
You'll typically save money by booking a STL to KLV flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Karlovy Vary Intl. Airport (KLV)?
Generally, it's possible to cancel or reschedule your STL to KLV flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Karlovy Vary Intl.
Distance
4734 mi

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St. Louis to Karlovy Vary Flights

The cheapest times to fly from St. Louis to Karlovy Vary

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Karlovy Vary are during the month of . You can find some of the cheapest flights from St. Louis to Karlovy Vary with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Karlovy Vary

Sunday is one of the best days to book for cheap flights from St. Louis to Karlovy Vary: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Karlovy Vary

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Karlovy Vary in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Karlovy Vary flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Karlovy Vary airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Karlovy Vary Flights

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*Available to One Key members.